If your tool is deterministic, I would rather rely on it, than on LLMs for the task. So I don't think your work will have been pointless, when comparing against

If your tool is deterministic, I would rather rely on it, than on LLMs for the task. So I don't think your work will have been pointless, when comparing against an LLM classifying things. Also there is value in something that is battle-tested compared to something just generated on the run, and there is value in something already existing and not needing to be generated or developed anew.